World Science Scholars
1.1 Scale

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Sara Allahverdi
perfect explanation love you professor Greene
Rupert Macey-Dare
Mildred Gordon
I have learned something that I did not know.
Sukhveer Singh Khosa
I really the way ,that you explained so, enthusiastic and passionate and insatiably curious.
Steven Meger
Extremely small size > quantum mechanic Extreme mass > general theory of relativity Extreme spend > special theory of relativity!

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